code: def time_shade(self, canvas_size, how):
      tf.shade(self.agg, how=how, cmap=colorcet.fire)
  
file_path: datashader/benchmarks/benchmarks/shade.py
imports: import colorcet
  import datashader.transfer_functions
  import numpy
  import xarray
label_desc: Use image node_id 2 for calling the Shade obj's underlying member method code with example usage: obj.time_shade(canvas_size, how) without return types